updatePurchaseOrderLines

mutation UpdatePurchaseOrderLines {
  updatePurchaseOrderLines {
    purchaseOrderLines {
      Attributes {
        Created
        Etag
        LastSessionId
        Updated
        _IonValueCount
        _ValueCount
      }
      LastSessionId
      _AttributedPartsCount
      _AttributedUsersCount
      _AttributesCount
      _CommentsCount
    }
  }
}

{
  "data": {
    "updatePurchaseOrderLines": {
      "purchaseOrderLines": [
        {
          "Attributes": [
            {
              "Created": "value",
              "Etag": "string",
              "LastSessionId": "string",
              "Updated": "value",
              "_IonValueCount": 1,
              "_ValueCount": 1
            }
          ],
          "LastSessionId": "string",
          "_AttributedPartsCount": 1,
          "_AttributedUsersCount": 1,
          "_AttributesCount": 1,
          "_CommentsCount": 1
        }
      ]
    }
  }
}